Rust Buster Center Frame Section for 1981-1993 Dodge Ram 150 RB7771

RB7771L
  • Unit price per 
Shipping calculated at checkout.


  • Fits 1981-1993 Dodge Ram 150
  • Will work on all Cab & Bed Configurations
  • Measure 25.80" in Length
  • Cap the Frame Rail from the side underneath the Cab
  • Made from Heavy Duty 11 Gauge Steel
  • Includes Perforations Transmission Crossmember
  • Includes Matching OE Holes for alignment
  • Ships with an Oil protective coating to prevent Oxidation during transit
  • Welding required
  • Protect with Rust Buster Rust Converter Paint RB9917
  • Backed by our Lifetime Warranty 

Rust Buster frame repair kits are engineered as a safe, proven alternative to full frame replacement—restoring structural integrity without compromising vehicle geometry or OE mounting points. Each section is precision-designed to reinforce known failure areas while integrating seamlessly with the original frame, ensuring proper alignment, predictable installation, and long-term durability. This approach allows you to repair only what’s compromised, reduce downtime and cost, and keep your truck on the road with confidence. Backed by decades of engineering experience, every Rust Buster frame component is built to meet real-world demands and is supported by our Lifetime Warranty.


Installation Instructions
Downloadable PDF: RB7771L & RB7771R Installation Instructions.pdf 

Inventory Last Updated: Jun 29, 2026
California Residents: Prop 65 Warning